ICD-10 diagnosis code

L40 Psoriasis

L40 is the ICD-10 code for Psoriasis. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block L40–L45 (Papulosquamous disorders) in Chapter XII, Diseases of the skin and subcutaneous tissue.

Code type: Category (3 characters)
Chapter: XII · L00–L99
Classification: WHO ICD-10, 2019 version

Subcodes of L40

L40 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

L40Psoriasis

DenmarkICD-10-DK

DL40Psoriasis

FinlandICD-10-FI

L40Psoriaasi

GermanyICD-10-GM

L40Psoriasis

L40.7Schweregrad der Psoriasis

FranceICD-10-FR

L40Psoriasis

NetherlandsICD-10-NL

L40psoriasis

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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